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Convert to RGBA for low-res DXT1

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This commit is contained in:
Andrew Murray 2025-05-06 19:24:39 +10:00
parent 766f60e8b2
commit 99f8d8ff39
1 changed files with 4 additions and 4 deletions
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8
src/PIL/VtfImagePlugin.py
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@ -307,7 +307,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
mipmap_count = _get_mipmap_count(width, height) if generate_mips else 0
thumb = im.convert("RGB")
thumb = im.convert("RGBA")
thumb.thumbnail((min(16, width), min(16, height)))
thumb = thumb.resize((_closest_power(thumb.width), _closest_power(thumb.height)))
@ -368,9 +368,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
def _accept(prefix: bytes) -> bool:
valid_header = prefix.startswith(b"VTF\x00")
valid_version = struct.unpack_from("<2I", prefix, 4) >= (7, 0)
return valid_header and valid_version
if not prefix.startswith(b"VTF\x00"):
return False
return struct.unpack_from("<2I", prefix, 4) >= (7, 0)
Image.register_open(VtfImageFile.format, VtfImageFile, _accept)